Cephalexindrug info

cephalexin 250 MG Oral Capsule

What it is used for

1 INDICATIONS & USAGE Cephalexin is a cephalosporin antibacterial drug indicated for the treatment of the following infections caused by susceptible isolates of designated bacteria: Respiratory tract infection Otitis media Skin and skin structure infections Bone infections Genitourinary tract infections To reduce the development of drug-resistant bacteria and maintain the effectiveness of cephalexin and other antibacterial drugs, Cephalexin should be used only to treat infections that are proven or strongly suspected to be caused by bacteria.

1.1 Respiratory

Tract Infections Cephalexin is indicated for the treatment of respiratory tract infections caused by susceptible isolates of Streptococcus pneumoniae and Streptococcus pyogenes.

1.2 Otitis Media

Cephalexin is indicated for the treatment of otitis media caused by susceptible isolates of Streptococcus pneumoniae, Haemophilus influenzae, Staphylococcus aureus, Streptococcus pyogenes, and Moraxella catarrhalis.

1.3 Skin and

Skin Structure Infections Cephalexin is indicated for the treatment of skin and skin structure infections caused by susceptible isolates of the following Gram-positive bacteria: Staphylococcus aureus and Streptococcus pyogenes.

1.4 Bone Infections

Cephalexin is indicated for the treatment of bone infections caused by susceptible isolates of Staphylococcus aureus and Proteus mirabilis.

1.5 Genitourinary

Tract Infections Cephalexin is indicated for the treatment of genitourinary tract infections, including acute prostatitis, caused by susceptible isolates of Escherichia coli, Proteus mirabilis, and Klebsiella pneumoniae. 1.6 Usage To reduce the development of drug-resistant bacteria and maintain the effectiveness of cephalexin and other antibacterial drugs, Cephalexin should be used only to treat infections that are proven or strongly suspected to be caused by susceptible bacteria. When culture and susceptibility information is available, this information should be considered in selecting or modifying antibacterial therapy. In the absence of such data, local epidemiology and susceptibility patterns may contribute to the empiric selection of therapy.

Text above is quoted in full from the FDA-approved drug label published by openFDA, effective July 16, 2026. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.

Description

Cephalexin capsules, USP is a semisynthetic cephalosporin antibacterial drug intended for oral administration. It is 7-(D-α-Amino-α-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate. Cephalexin has the molecular formula C 16 H 17 N 3 O 4 S

H 2 O and the molecular weight is 365.41. Cephalexin has the following structural formula: Each capsule contains cephalexin monohydrate equivalent to 250 mg, 333 mg, 500 mg, or 750 mg of cephalexin. The 250 mg, 333 mg, 500 mg and 750 mg capsules contain anhydrous lactose, colloidal silicon dioxide, magnesium stearate, FD & C Blue No. 1, D & C Yellow No. 10, gelatin, sodium lauryl sulphate, titanium dioxide. In addition, the 250 mg capsule contains FD & C Red No. 40; 333 mg and 750 mg Capsules contains FD & C Yellow No. 6. The imprinting ink contains; shellac, propylene glycol, strong ammonia solution and potassium hydroxide. Also black Iron oxide is used in 250mg, 333mg and 500mg and titanium dioxide is used in 750mg.

This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.

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